// XXX: If it's on a new level, thanks to a shaft trap, it
            // should also do this.

            // If it is, and it's on the exit, make it leave the level.
            else if (mon->x == mon->target_x && mon->y == mon->target_y)

            // If it's on an exit, make it leave the level.
            else if (mon->travel_target == MTRAV_EXIT
                && mon->x == mon->target_x && mon->y == mon->target_y)
            {
                _make_mons_leave_level(mon);
                return;
            }
            // If it's next to a trap, make it leave the level.
            else if (mon->travel_target == MTRAV_TRAP
                && distance(mon->x, mon->y, mon->target_x, mon->target_y) == 1)